Japan Flora: Rhizomes short, ascending, the scales membranous, brown, lanceolate, about 2 mm. long, acute, entire; fronds tufted, erect to spreading, with reddish brown spreading hairs about 1 mm. long; stipes short, 3-12(-15) mm. long; blades coriaceous, linear to linear-lanceo- late，2-12(-25) cm. long, 3-6 mm. wide, acute to obtuse, gradually narrowed at base, pectinately pinnatiparted, the seg­ments 8-30 pairs, obliquely spreading, oblong-ovate to nar­rowly deltoidovate, 1-1.6 mm. wide, obtuse to subacute, en­tire; costa and veins obscure; sori round to elliptic, about 1 mm. across, solitary at the base of each pinna. Mossy rocks and tree trunks in mountains.

Honshu (Kanto Di str. through Tokaido to s. Kinki Distr.), Shikoku, Kyushu; rare. For­mosa.